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Monday, March 7, 2016

Scientists gear up to drill into ‘ground zero’ of the impact that killed the dinosaurs

This month, a drilling platform will rise in the Gulf of Mexico, but it won’t be aiming for oil. Scientists will try to sink a diamond-tipped bit into the heart of Chicxulub crater—the buried remnant of the asteroid impact 66 million years ago that killed off the dinosaurs, along with most other life on the planet. They hope that the retrieved rock cores will contain clues to how life came back in the wake of the cataclysm, and whether the crater itself could have been a home for novel microbial life. And by drilling into a circular ridge inside the 180-kilometer-wide crater rim, scientists hope to settle ideas about how such “peak rings,” hallmarks of the largest impact craters, take shape.

“Chicxulub is the only preserved structure with an intact peak ring that we can get to,” says University of Texas, Austin, geophysicist Sean Gulick, co–chief scientist for the $10 million project, sponsored by the International Ocean Discovery Program (IODP) and the International Continental Scientific Drilling Program. “All the other ones are either on another planet, or they’ve been eroded.”At the end of March, a specially equipped vessel will sail from the Mexican port of Progreso to a point 30 kilometers offshore. There, in water 17 meters deep, the boat will sink three pylons and raise itself above the waves, creating a stable platform. By 1 April, the team plans to start drilling, quickly churning through 500 meters of limestone that were deposited on the sea floor since the impact. After that, the drillers will extract core samples, in 3-meter-long increments, as they go deeper. For 2 months, they will work day and night in an attempt to go down another kilometer, looking for...Read More HERE

1 comment:

It's truly amazing the things you can do with an unlimited supply of other people's money.

I can tell you this, Not a single one of those "scientists" would devote any of their own life's savings into a project like this just to study what dirt looks like. No banker would loan them money to accomplish this and no privately funded charity would underwrite this project. This is "government money". The cheapest kind. No strings attached. Take 50 friends with you on a Mexican holiday off the shore while your hired workers pull up core samples.